SSC CGL 2017 Tier II — Statistics — 22 February 2018

Statistics

1. 1. For the mid values 30, 39, 48, 57 and 66 the second class of the distribution is ________.

   • (a) 34 - 44
   • (b) 34.5 - 43.5
   • (c) 33.5 - 44.5
   • (d) 34 - 45
   उत्तर देखें

   उत्तर: (b)

2. 4. In a pie chart depicting total expenses of a company for the year 2016, raw material had a central angle of 45o. If total expenses were Rs 504 Lakhs, what were the company's expense on raw materials (in Rs lakhs)?

   • (a) 45
   • (b) 112
   • (c) 63
   • (d) 72
   उत्तर देखें

   उत्तर: (c)

3. 8. Find the harmonic mean of 3, 6 and 10.

   • (a) 6.33
   • (b) 5
   • (c) 5.6
   • (d) 4.5
   उत्तर देखें

   उत्तर: (b)

4. 10. Calculate the median using the following data. Lower class boundary of the median class = 40 Total frequency = 120 Frequency of the median class = 35 Less than cumulative frequency of the post median class = 37 Class width = 20

   • (a) 48.23
   • (b) 49.14
   • (c) 54.23
   • (d) 53.14
   उत्तर देखें

   उत्तर: (d)

5. 13. निम्नलिखित संख्याओं के मानक विचलन की गणना करें: 5, 6, 4 और 2

   • (a) 1.7
   • (b) 2.7
   • (c) 1.2
   • (d) 2.2
   उत्तर देखें

   उत्तर: (a)

6. 14. मानक विचलन की गणना करें यदि अवलोकन के एक निश्चित सेट का माध्य 20 है और उन्ही अवलोकन के वर्गों का माध्य 500 है।

   • (a) 5
   • (b) 20
   • (c) 10
   • (d) 25
   उत्तर देखें

   उत्तर: (c)

7. 15. Calculate the coefficient of range for the following set of data. 3, 6, 6, 8, 9 and 12

   • (a) 22.2
   • (b) 44.4
   • (c) 50
   • (d) 60
   उत्तर देखें

   उत्तर: (d)

8. 16. The mean and variance of the marks of Division 1 which has 60 students is 45 and 4 respectively and the mean and variance of the marks of Division 2 which has 40 students is 55 and 9 respectively. What will be the variance of the marks of the two divisions combined?

   • (a) 30
   • (b) 20
   • (c) 10
   • (d) 40
   उत्तर देखें

   उत्तर: (a)

9. 17. If the mean of a certain set of data is 16 and variance is 4 then find the coefficient of variance.

   • (a) 25
   • (b) 12.5
   • (c) 10
   • (d) 20
   उत्तर देखें

   उत्तर: (b)

10. 18. If a set of points represent probability density, then the third central moment is the ______________.

    • (a) skewness
    • (b) kurtosis
    • (c) mean
    • (d) variance
    उत्तर देखें

    उत्तर: (a)

11. 19. Which formula represents the 2nd moment around the mean?

    • (a) Σ(xi – μx)2
    • (b) √Σ(xi – μx)2
    • (c) Σ(xi2 – μx2)
    • (d) √ Σ(xi2 – μx2)
    उत्तर देखें

    उत्तर: (a)

12. 20. Calculate skewness using Bowley's formula given lower quartile, upper quartile and median values of a data set are 16, 40 and 24.

    • (a) 0.33
    • (b) 0.44
    • (c) 0.55
    • (d) 0.67
    उत्तर देखें

    उत्तर: (a)

13. 21. What is the mean of a data if its Pearson's coefficient of skewness is 0.25, standard deviation is 6 and mode is 18?

    • (a) 16.5
    • (b) 10.5
    • (c) 21.5
    • (d) 19.5
    उत्तर देखें

    उत्तर: (d)

14. 22. दी गई श्रृंखला में एक सकारात्मक तिरछापन (स्क्यूनेस) है, यह कहने के लिए, कौन सी स्थिति पूरी होनी चाहिए?

    • (a) बहुलक > माध्य > माध्यिका
    • (b) माध्यिका > बहुलक > माध्य
    • (c) बहुलक > माध्यिका > माध्य
    • (d) माध्य > माध्यिका > बहुलक
    उत्तर देखें

    उत्तर: (d)

15. 23. The kurtosis of any univariate normal distribution is ________.

    • (a) 2
    • (b) 3
    • (c) 1
    • (d) 0
    उत्तर देखें

    उत्तर: (b)

16. 24. Characteristics of a leptokurtic distribution are ____________________.

    • (a) 1)Positive excess kurtosis, 2) Slender in shape and 3)Fatter tails
    • (b) 1)Negative excess kurtosis, 2) Slender in shape and 3)Fatter tails
    • (c) 1)Positive excess kurtosis, 2) Thicker in shape and 3)Thinner tails
    • (d) 1)Negative excess kurtosis, 2) Thicker in shape and 3)Thinner tails
    उत्तर देखें

    उत्तर: (a)

17. 25. Coefficient of Kurtosis β2 = ____________, where μ2 and μ4 are the second and fourth moments about mean.

    • (a) μ2/μ42
    • (b) μ42/μ2
    • (c) μ4/μ22
    • (d) μ22/μ4
    उत्तर देखें

    उत्तर: (c)

18. 26. यदि दोनों प्रतिगमन गुणांक 0.5 और 4.5 हैं, तो सहसंबंध की गुणांक ज्ञात करें।

    • (a) 1.5
    • (b) 2.5
    • (c) 3.5
    • (d) 2.25
    उत्तर देखें

    उत्तर: (a)

19. 27. Pearson's correlation coefficient = _________________. (S represents standard deviation)

    • (a) (Sx.Sy)/Covariance(x,y)
    • (b) Covariance2(x,y)/(Sx.Sy)
    • (c) (Sx.Sy)2/Covariance(x,y)
    • (d) Covariance(x,y)/(Sx.Sy)
    उत्तर देखें

    उत्तर: (d)

20. 28. मूल्यों का प्रसार जो सहसंबंध का गुणांक ले सकता है, ______हैं।

    • (a) 0 ≤ r ≤ +1
    • (b) -1 < r < +1
    • (c) 0 < r < +1
    • (d) -1 ≤ r ≤ +1
    उत्तर देखें

    उत्तर: (d)

21. 29. Spearman's rank correlation coefficient is given by _____________.

    • (a) 1 + 6∑di2/[n(n2-1)]
    • (b) 1 - 6∑di/[n(n2-1)]
    • (c) 1 - 6∑di2/[n(n2-1)]
    • (d) 1 + 6∑di/[n(n2-1)]
    उत्तर देखें

    उत्तर: (c)

22. 30. If Coefficient of correlation r = 0.5 then coefficient of non-determination is __________.

    • (a) 0.5
    • (b) 0.25
    • (c) 1
    • (d) 0.75
    उत्तर देखें

    उत्तर: (d)

23. 31. If x = 3u + 1 and y = 4v + 2 and the regression coefficient between u and v is 1.2, then find regression coefficient between x and y?

    • (a) 0.8
    • (b) 1
    • (c) 0.9
    • (d) 1.5
    उत्तर देखें

    उत्तर: (c)

24. 32. निम्नलिखित मानों के बीच के सहसंबंध गुणांक की गणना करें: x : 3, 5, 1, 7, 5 y : 4, 3, 0, 8, 2

    • (a) 0.9
    • (b) 0.8
    • (c) 0.7
    • (d) 0.6
    उत्तर देखें

    उत्तर: (b)

25. 33. If the sum of the squares of difference of ranks of 6 candidates in two criteria is 21, the rank correlation coefficient is __________.

    • (a) 0.5
    • (b) 0.6
    • (c) 0.4
    • (d) 0.7
    उत्तर देखें

    उत्तर: (c)

26. 34. If 4y = 15 + 6x is the regression line of y on x, and coefficient of correlation between x and y is 0.9, then regression coefficient of x on y is equal to _______.

    • (a) 0.54
    • (b) 0.45
    • (c) 0.81
    • (d) 0.72
    उत्तर देखें

    उत्तर: (a)

27. 35. Find regression coefficient of y on x (byx) if correlation coefficient between x and y values is 0.75 and standard deviation of x and y are 5 and 6.4 respectively.

    • (a) 0.96
    • (b) 0.59
    • (c) 1.04
    • (d) 1.7
    उत्तर देखें

    उत्तर: (a)

28. 36. यदि एक डिब्बे में 4 लाल गेंदें और 6 नीली गेंदें हैं, तो एक ही रंग के 2 गेंदों को चुनने की प्रायिकता क्या है?

    • (a) 8/15
    • (b) 12/25
    • (c) 13/25
    • (d) 7/15
    उत्तर देखें

    उत्तर: (d)

29. 37. A doctor finds of all patients that visits his clinic the probability that a patient is alcoholic given that the patient has liver disease is 0.08. The probability that a patient is alcoholic is 0.06 and the probability that a patient has liver disease is 0.12. Find the probability that a patient has liver disease given that he or she is alcoholic?

    • (a) 0.04
    • (b) 0.09
    • (c) 0.16
    • (d) 0.24
    उत्तर देखें

    उत्तर: (c)

30. 38. What is the probability that a number selected randomly from 1 to 500 is a multiple of 3 or 7?

    • (a) 0.428
    • (b) 0.474
    • (c) 0.512
    • (d) 0.576
    उत्तर देखें

    उत्तर: (a)

31. 39. If P(A) = 2/3 and P(B) = 5/8 and find probability of only B occurring if probability of only A occurring is 1/6?

    • (a) 1/8
    • (b) 1/9
    • (c) 1/6
    • (d) 2/9
    उत्तर देखें

    उत्तर: (a)

32. 40. Find P(A'/B'), given P(A) = 3/4, P(B) = 9/20 and P(A∩B) = 1/4? P(A'/ B')

    • (a) 1/20
    • (b) 1/9
    • (c) 1/11
    • (d) 1/12
    उत्तर देखें

    उत्तर: (c)

33. 41. A and B are independent events. The odds in favour of A and B are 1:1 and 3:2 respectively. Find the probability that only one of the two events occurs?

    • (a) 0.6
    • (b) 0.7
    • (c) 0.8
    • (d) 0.5
    उत्तर देखें

    उत्तर: (d)

34. 43. यदि 3 पासे फेकें जाते हैं तो कम से कम दो पासों पर समान अंकों के होने की प्रायिकता क्या है?

    • (a) 1/36
    • (b) 7/36
    • (c) 27/216
    • (d) 1/6
    उत्तर देखें

    उत्तर: (d)

35. 44. तीन बच्चों वाले एक परिवार में यह देखते हुए कि दूसरे दो बच्चे भी लड़कियां हैं तो यह प्रायिकता क्या है कि तीसरा बच्चा भी एक लड़की ही हो?

    • (a) 1/3
    • (b) 2/3
    • (c) 1/4
    • (d) 1/6
    उत्तर देखें

    उत्तर: (c)

36. 45. A, B and C are three mutually exclusive and exhaustive events. P(A) = 2P(B) = 6P[C). Find P(B).

    • (a) 0.1
    • (b) 0.3
    • (c) 0.6
    • (d) 0.4
    उत्तर देखें

    उत्तर: (b)

37. 47. In a box of 100 bulbs 30 are defective. What is the probability of getting more than 2 defective bulbs if 5 are chosen randomly from the box?

    • (a) 0.124
    • (b) 0.213
    • (c) 0.264
    • (d) 0.163
    उत्तर देखें

    उत्तर: (d)

38. 48. The mean and variance of a binomial distribution are 5 and 4 respectively. What is the probability of success?

    • (a) 0.3
    • (b) 0.2
    • (c) 0.4
    • (d) 0.1
    उत्तर देखें

    उत्तर: (b)

39. 49. If the mean of a Poisson distribution is 9 then its variance is equal to ________.

    • (a) 3
    • (b) 9
    • (c) 6
    • (d) 81
    उत्तर देखें

    उत्तर: (b)

40. 50. Find the mean of x if x is a Poisson variate satisfying the condition P(3) = P(4)?

    • (a) 2
    • (b) 8
    • (c) 4
    • (d) 16
    उत्तर देखें

    उत्तर: (c)

41. 51. For a standard normal distribution P(-1 < z < 1) = __________

    • (a) 0.68
    • (b) 0.34
    • (c) 0.99
    • (d) 0.49
    उत्तर देखें

    उत्तर: (a)

42. 52. If x follows normal distribution with mean = 20 and variance = 25. What is P(x ≥ 25)? Given P(z ≤ 1) = 0.841, P(z ≤ 2) = 0.977

    • (a) 0.023
    • (b) 0.16
    • (c) 0.32
    • (d) 0.046
    उत्तर देखें

    उत्तर: (b)

43. 53. 10% of people in a village are afflicted with a viral disease. What size of sample should be taken to ensure that error of estimation of the proportion is not more than 5% with 95% confidence?

    • (a) 138
    • (b) 238
    • (c) 38
    • (d) 338
    उत्तर देखें

    उत्तर: (a)

44. 54. A random sample of 100 articles from a large batch of articles contains 10 defective articles. What is the standard error of estimation of the sample proportion?

    • (a) 0.02
    • (b) 0.01
    • (c) 0.04
    • (d) 0.03
    उत्तर देखें

    उत्तर: (d)

45. 55. A statistician estimated that the standard deviation of her measurements is 2 cm. What should be the size of the sample in order to be 99% confident that the error of her estimates of mean does not exceed 0.43 cm? (z* = 2.58, for 99% confidence level)

    • (a) 144
    • (b) 121
    • (c) 169
    • (d) 196
    उत्तर देखें

    उत्तर: (a)

46. 57. A random sample of 2 items is picked out from a population of 15 items. The number of all such samples is ________.

    • (a) 105
    • (b) 60
    • (c) 210
    • (d) 90
    उत्तर देखें

    उत्तर: (a)

47. 58. The average length of a sample of 50 leaves measured by a botanist was 40 mm with a standard deviation of 21 mm. Assuming normal deviation find the limits which have a 95% chance of including the expected length of the leaf.

    • (a) 42.35 - 37.65
    • (b) 34.12 - 45.88
    • (c) 43.12 - 36.88
    • (d) 44.58 - 35.42
    उत्तर देखें

    उत्तर: (b)

48. 59. The 95% confidence level limits to a population mean are 94.12 - 105.88. Find population standard deviation if sample size is 100.

    • (a) 15
    • (b) 30
    • (c) 45
    • (d) 60
    उत्तर देखें

    उत्तर: (b)

49. 60. एक विशेष अध्ययन में यदि नमूने का आकार 50 था तो मानक त्रुटि 8 इकाइयां थीं। यदि नमूने के आकार को 200 तक बढ़ा दिया जाता है, तो मानक त्रुटि कितनी होगी?

    • (a) 4
    • (b) 2
    • (c) 16
    • (d) 8
    उत्तर देखें

    उत्तर: (a)

50. 61. A random sample of 200 articles taken from a large batch of articles contains 15 defective articles. What is the estimate of the sample proportion of defective articles?

    • (a) 0.186
    • (b) 0.054
    • (c) 0.0186
    • (d) 0.54
    उत्तर देखें

    उत्तर: (c)

51. 62. A factory manufactures 10,000 bolts per day. From a sample of 500 bolts, 4% were of unacceptable quality. Estimate the interval of number of bolts that would be of unacceptable quality produced per day at 95% confidence.

    • (a) (313, 487)
    • (b) (305, 495)
    • (c) (328, 472)
    • (d) (233, 567)
    उत्तर देखें

    उत्तर: (d)

52. 63. The mean pay of 15 H1-B visa holders was found to be Rs 65 lakhs/yr with a standard deviation of Rs 6 lakhs. What are the 99% confidence limits (in Rs lakhs) for the mean pay of the population of H1-B visa holders assuming it to be normal? (The upper 0.5% of t-distribution with 14 degrees of freedom is 2.98)

    • (a) (61.88 , 68.12)
    • (b) (60.22 , 69.77)
    • (c) (62.55 , 67.45)
    • (d) (59.33 , 70.67)
    उत्तर देखें

    उत्तर: (b)

53. 64. The standard error of the mean decreases if the population standard deviation ____________________________.

    • (a) increases or if sample size increases
    • (b) decreases or if sample size increases
    • (c) decreases or if sample size decreases
    • (d) increases or if sample size decreases
    उत्तर देखें

    उत्तर: (b)

54. 65. A confidence interval increases in width as the __________________.

    • (a) sample size is increased
    • (b) degrees of freedom is increased
    • (c) level of confidence increases
    • (d) sample standard deviation is decreased
    उत्तर देखें

    उत्तर: (c)

55. 66. What is the value of the z-score for x = 125 if population mean and variance are 121 and 4 respectively.

    • (a) 2
    • (b) 1
    • (c) -2
    • (d) -1
    उत्तर देखें

    उत्तर: (a)

56. 67. In statistical hypothesis testing, a type I error is the _______________________________ a false null hypothesis

    • (a) incorrectly retaining of a true null hypothesis, while a type II error is incorrectly retaining
    • (b) incorrect rejection of a true null hypothesis, while a type II error is incorrectly retaining
    • (c) incorrect rejection of a true null hypothesis, while a type II error is incorrect rejection
    • (d) incorrectly retaining of a true null hypothesis, while a type II error is incorrect rejection
    उत्तर देखें

    उत्तर: (b)

57. 68. If, Sample from Population #1: 3,5,8 Sample from Population #2: 2,4,8 Sample from Population #3: 3,6,7 Then what is the number of degrees of freedom of treatment?

    • (a) 3
    • (b) 1
    • (c) 4
    • (d) 2
    उत्तर देखें

    उत्तर: (d)

58. 69. If we have to test if there’s a difference between two groups of patients from different hospitals trying two different therapies, then we need to use ___________.

    • (a) Two way ANOVA without replication
    • (b) One way ANOVA with replication
    • (c) Two way ANOVA with replication
    • (d) One way ANOVA without replication
    उत्तर देखें

    उत्तर: (c)

59. 70. If confidence level is 90% then two tailed alpha would be ________ %.

    • (a) 10
    • (b) 45
    • (c) 2.5
    • (d) 5
    उत्तर देखें

    उत्तर: (d)

60. 71. The smaller the alpha level, the ____________________ the null hypothesis.

    • (a) greater the area where you would reject
    • (b) smaller the area where you would reject
    • (c) smaller the area where you would accept
    • (d) greater the area where you would accept
    उत्तर देखें

    उत्तर: (b)

61. 72. The mean square of error denoted as MSE = _____________. Where SSE is the sum of squares of error, n is number of data points and m is number of samples.

    • (a) SSE/(n - m - 2)
    • (b) SSE/(n + m)
    • (c) SSE/(n + m - 2)
    • (d) SSE/(n - m)
    उत्तर देखें

    उत्तर: (d)

62. 73. The mean square for treatment is 9. The mean square for error is 4. Calculate the F-statistic.

    • (a) 1.5
    • (b) 2.25
    • (c) 0.44
    • (d) 0.66
    उत्तर देखें

    उत्तर: (b)

63. 74. An ANOVA procedure is used for data that was obtained from four sample groups each comprised of five observations. The degrees of freedom dF1 and dF2 for the critical value of F are _________ respectively.

    • (a) 3 and 16
    • (b) 3 and 19
    • (c) 4 and 16
    • (d) 4 and 19
    उत्तर देखें

    उत्तर: (a)

64. 75. When an analysis of variance is performed on samples drawn from k populations, the mean square between treatments (MSTR) is __________________. (Where SSTR is treatment sum of squares and SST is total sum of squares.)

    • (a) SSTR/(k - 1)
    • (b) SST/(k - 1)
    • (c) SSTR/(k+1)
    • (d) SST/k
    उत्तर देखें

    उत्तर: (a)

65. 76. वार्षिक प्रवृत्ति समीकरण Y = a + bX को मासिक प्रवृत्ति समीकरण में परिवर्तित करें।

    • (a) Y = a/12 + (b/12)X
    • (b) Y = 12a + bX
    • (c) Y = a/12 + (b/144)X
    • (d) Y = a + 12bX
    उत्तर देखें

    उत्तर: (c)

66. 77. दूसरी डिग्री प्रवृत्ति के समीकरण का आकार क्या है?

    • (a) अतिशयोक्तिपूर्ण
    • (b) परवलयिक
    • (c) घातांक
    • (d) सिणुसोइडल
    उत्तर देखें

    उत्तर: (b)

67. 78. If the sales (Y) Vs time (X) trendline with 2010 as origin is Y = 16.25 + 1.25X, then what will be the trendline with 2015 as origin?

    • (a) Y = 10 + 1.25X
    • (b) Y = 22.5 + 6.25X
    • (c) Y = 10 + 6.25X
    • (d) Y = 22.5 + 1.25X
    उत्तर देखें

    उत्तर: (d)

68. 79. If the sales (Y) trend is captured by the equation Y = 500 + 20t - t2 then the maximum sales will be achieved when the time t = ________ years .

    • (a) 20
    • (b) 5
    • (c) 15
    • (d) 10
    उत्तर देखें

    उत्तर: (d)

69. 80. Y = 500 + 0.75 t - 2.5 t2 represents the trend for output of a copper mine with 2010 as origin. Unit of Y is tonnes and unit of t is year. What will be the mine's copper output (in tonnes) in the year 2020?

    • (a) 185.5
    • (b) 346.5
    • (c) 257.5
    • (d) 742.5
    उत्तर देखें

    उत्तर: (c)

70. 81. The fitted annual sales trend is Yt = 180 e0.2t. (Where t is in years and Y is in Rs lakhs) On average, sales are ___________absolute amount each year.

    • (a) rising by a declining
    • (b) falling by a declining
    • (c) falling by an increasing
    • (d) rising by an increasing
    उत्तर देखें

    उत्तर: (d)

71. 82. A pattern of variation of a time series that repeats every year is called _____________.

    • (a) Cyclical
    • (b) Trend
    • (c) Hyperbolic
    • (d) Seasonal
    उत्तर देखें

    उत्तर: (d)

72. 84. The linear trend equation developed for the annual sales Y (in Rs lakhs) of ABC Manufacturing Company is Y = 500 + 6t, where t is in years. By how much are sales increasing per year?

    • (a) Rs 6,00,000 6,00,000
    • (b) 6 percent
    • (c) 6 times the number of years
    • (d) in multiples of 6
    उत्तर देखें

    उत्तर: (a)

73. 85. रैखिक प्रवृत्ति के समीकरण Y = a + bt के लिए, कौन सा प्रतीक समय में प्रति इकाई के लिए निर्भर चर में औसत परिवर्तन का प्रतिनिधित्व करता है?

    • (a) a
    • (b) t
    • (c) Y
    • (d) b
    उत्तर देखें

    उत्तर: (d)

74. 86. If the trend equation to forecast demand Y (in Rs lakhs) for the required month (t) is Y = 100 + 20t - 5t2. What is the seasonally adjusted demand forecast for month 3 for which the corresponding seasonal index is 1.25?

    • (a) 143.75
    • (b) 115
    • (c) 92
    • (d) 123.25
    उत्तर देखें

    उत्तर: (a)

75. 87. Y = 100 - 0.4 t - t2 represents the trend for sales of movie tickets in a multiplex with day before release as origin. Unit of Y is in Rs thousand and unit of t is days. Sales for day 3 are ____________ than sales of day 1.

    • (a) 8.9% greater
    • (b) 9.8% lesser
    • (c) 8.9% lesser
    • (d) 9.8% greater
    उत्तर देखें

    उत्तर: (c)

76. 88. If the quarterly trend equation is given as Y = a + bX, then the annual trend equation will be ________________.

    • (a) Y = 4a + 4bX
    • (b) Y = 4a + bX
    • (c) Y = a + 4bX
    • (d) Y = 4a + 48bX
    उत्तर देखें

    उत्तर: (d)

77. 89. The last period’s sales forecast was Rs 100 lakhs and demand was Rs 90 lakhs. What is the simple exponential smoothing sales forecast (in Rs lakhs) with alpha of 0.4 for the next period?

    • (a) 94
    • (b) 106
    • (c) 96
    • (d) 104
    उत्तर देखें

    उत्तर: (c)

78. 90. If the trendline with 2016 as origin is Y = 125 - 3t -2t2, then what will be the trendline with 2014 as origin?

    • (a) Y = 127 + 5t -2t2
    • (b) Y = 123 + 5t -2t2
    • (c) Y = 125 + 7t -2t2
    • (d) Y = 127 + 7t -2t2
    उत्तर देखें

    उत्तर: (b)

79. 92. From the prices and quantities of the base and current year Laspeyres and Bowley Price Indices were calculated as 124 and 130 respectively. Find the Paasche price index for the same data.

    • (a) 127
    • (b) 136
    • (c) 118
    • (d) 121
    उत्तर देखें

    उत्तर: (b)

80. 93. Paasche Quantity Index is given by the formula ______________.

    • (a) (∑QnPo)/(∑QoPo)
    • (b) (∑QnPn)/(∑QoPn)
    • (c) (∑QoPn)/(∑QoPn)
    • (d) (∑QnPn)/(∑QnPo)
    उत्तर देखें

    उत्तर: (b)

81. 94. The index number for the price of diesel in 2015 was 125 and in 2016, it was 140, on a base year of 2011. What is the percent increase in price of diesel from 2015 to 2016?

    • (a) 25
    • (b) 40
    • (c) 12
    • (d) 15
    उत्तर देखें

    उत्तर: (c)

82. 95. A worker earned Rs 15,000 per month in 2015, when the Consumer Price Index was 250. If the base period is 2000, what are his earnings per month in 2015 in terms of value of Rs. in the year 2000?

    • (a) Rs 37,500
    • (b) Rs 6,000
    • (c) Rs 10,000
    • (d) Rs 27,500
    उत्तर देखें

    उत्तर: (b)

83. 96. The price index in 2016 is 116 using 2011 as base year. What will be 2011 price index if base year is changed to 2016?

    • (a) 134.5
    • (b) 86.2
    • (c) 84
    • (d) 132
    उत्तर देखें

    उत्तर: (b)

84. 97. The Fisher's Index _____________________.

    • (a) satisfies neither the Time Reversal Test nor the Factor Reversal Test
    • (b) satisfies the Time Reversal Test but not the Factor Reversal Test
    • (c) satisfies both the Time Reversal Test as well as the Factor Reversal Test
    • (d) satisfies the Factor Reversal Test but not the Time Reversal Test
    उत्तर देखें

    उत्तर: (c)

85. 98. Calculate Fisher's Price Index (in %) using the following data: ∑QoPn = 2700, ∑QnPn= 2250, ∑QoPo= 2750 and ∑QnPo= 2100 ΣQoPn = 2700, ΣQnPn = 2250, ΣQnPo = 2100

    • (a) 157.1
    • (b) 63.6
    • (c) 102.5
    • (d) 95
    उत्तर देखें

    उत्तर: (c)

86. 99. Find the Value Index (in %) using the following data: ∑QoPn = 2500, ∑QnPn = 2750, ∑QoPo = 2250 and ∑QnPo = 2000. ΣQoPn = 2500, ΣQnPn = 2750, ΣQnPo = 2000

    • (a) 122.2
    • (b) 125
    • (c) 112.5
    • (d) 137.5
    उत्तर देखें

    उत्तर: (a)